Take this script:

    <?php
    define(TEST_VAR, 100 );
    class test_class {
            var $codes = array(
                    TEST_VAR        => "hello"
            );
    }

    $x = new test_class;  
    print_r($x->codes);
    ?>

This outputs:

    Array
    (
        [TEST_VAR] => hello
    )

whereas I figure it should output:

    Array
    (
        [100] => hello
    )

No?